Updated app_server_script for folder structure

trias_appserver_script.sh

 mkdir chess
 cd chess
 mkdir production_A
+cd production_A
 git clone http://git.bbh.org.in/chess/project-genesis-backend
 cd project-genesis-backend
 git checkout production
 #PRODUCTION B SETUP
 cd ~
 cd Desktop
-mkdir chess
 cd chess
 mkdir production_B
+cd production_B
 git clone http://git.bbh.org.in/chess/project-genesis-backend
 cd project-genesis-backend
 git checkout production